Home / 138,314,910.62-207,413,309.36-80,062,797.11

Finding the Fourth Proportional to 138,314,910.62, 207,413,309.36 and 80,062,797.11

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Solution

The fourth proportional to 138,314,910.62, 207,413,309.36 and 80,062,797.11 is: 120,060,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,314,910.62 : 207,413,309.36 = 80,062,797.11 : x
  2. Step 2: Convert to fraction form
    138,314,910.62/207,413,309.36 = 80,062,797.11/x
  3. Step 3: Cross multiply
    138,314,910.62x = 207,413,309.36 × 80,062,797.11
  4. Step 4: Simplify right side
    138,314,910.62x = 16,606,089,705,083,182
  5. Step 5: Solve for x
    x = 16,606,089,705,083,182/138,314,910.62
  6. Step 6: Final answer
    x = 120,060,011.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.